Smart integration: fix NPE and remove nonsense println

Author: tchrapovic

gui/admin-gui/src/main/java/com/evolveum/midpoint/gui/impl/component/input/expression/ExpressionPanel.java

@@ -424,7 +424,8 @@ protected void processHide(AjaxRequestTarget target) {
 
                 } else {
                     isEvaluatorPanelExpanded = !isEvaluatorPanelExpanded;
-                    if (!ExpressionPanel.this.getModelObject().getExpressionEvaluator().isEmpty()) {
+                    if (ExpressionPanel.this.getModelObject() != null
+                            && !ExpressionPanel.this.getModelObject().getExpressionEvaluator().isEmpty()) {
                         updateLabelForExistingEvaluator();
                     }
 

gui/admin-gui/src/main/java/com/evolveum/midpoint/gui/impl/page/admin/resource/component/wizard/schemaHandling/associationType/subject/mappingContainer/AssociationAttributeMappingsTable.java

@@ -212,8 +212,6 @@ private void createNewAssociationMappingValue(
                 AbstractAttributeMappingsDefinitionType.F_REF,
                 getPageBase(),
                 target);
-
-        System.out.println("dssf");
     }
 
     @Override